已知:某公司现金收支平稳,预计全年(按360天计算)现金需要量为360000元,现金与有价证券的转换成本为每次300元,有价证券年均报酬率为6%。要求:(1)运用存货模式计算最佳现金持有量。(2)计算最佳现金持有量下的最低现金管理相关总成本、全年现金转换成本和全年现金持有机会成本。(3)计算最佳现金持有量下的全年有价证券交易次数和有价证券交易间隔期。
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A serious study of physics is impossible()some knowledge of mathematics.
A. against
B. before
C. beyond
D. without
When I arrived, Bryan took me to see the house() I would be staying.
A. what
B. when
C. where
D. which
Michael Greenberg is a very popular New Yorker. He is not famous in sports or the arts, But people in the streets 16 him, especially those who are 17 . For those people, he is "Gloves" Greenberg. How did he get that 18 He looks like any other businessman, wearing a suit and carrying a briefcase (公文箱). But he’s 19 . His briefcase always has some gloves。 In winter, Mr.Greenberg does not 20 like other New Yorkers, who look at the sidewalk and 21 the street. He looks around at 22 .He stops when he 23 someone with no gloves. He gives them a pair and then he 24 ,looking for more people with cold 25 . On winter days, Mr.Greenberg 26 gloves. During the rest of the year, he 27 gloves. People who have heard about him 28 him gloves, and he has many in his apartment. Mr. Greenberg 29 doing this 21 years ago. Now, many poor New Yorkers know him and____30____his behavior. But people who don’t know him are sometimes 31 him. They don’t realize that he just wants to make them 32 . It runs in the 33 .Michael’s father always helped the poor as he believed it made everyone happier. Michael Greenberg feels the 34 .A pair of gloves may be a 35 thing, but it can make a big difference in winter. (31)应选()
Who did Paul think was to blame for the accident()
A. The driver of the sports car.
B. The two girls inside the ear.
C. The man standing nearby.
D. The salesman from London.